var webpack = require('webpack'); module.exports = function(production) { var plugins = []; if(production) { plugins.push( new webpack.optimize.UglifyJsPlugin(), new webpack.DefinePlugin({ "process.env": { NODE_ENV: JSON.stringify("production") } }) ); } return { entry: './assets/index', output: { path: 'public', publicPath: '/assets/', filename: 'bundle.js' }, devtool: 'eval', plugins: plugins } };